Harsh Kumar Raj
- 5★harshkrraj
- India
- Student
- Indian Institute of Technology Delhi India
- List of teams by Harsh Kumar Raj
- https://discuss.codechef.com/u/harshkrraj
- No Active Plan. View Details
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Submissions
Practice Problems (72):
Practice:
Small factorials, Enormous Input Test, Flipping Coins, Number Mirror, Am I a Fibonacci Number, Earthquake, Lowest Common Ancestor, Find Remainder, Finding Square Roots, Aditi and Magic Trick, Chewing, Fibonacci Queries, Get AC in one go, Maximum K Sums, Chef and Round Run, large fibonacci, BST Operations, Flipping the bits, Barrel and password, Dibs on Fibs, Secret Recipe, Naive Chef, Family Tree, Sum OR Difference, Decrement OR Increment, Counting Pretty Numbers, Print Pattern, D - Balanced Parenthesis Substrings, Chef and Secret Ingredients, Appy and Contest, Deputy Chef, Chef and a Beautiful Digit, Sum and GCD, Rootless Tree, C - Chef and Maths, Chef Drinks Coke, Weird Modulo Problem , Discount in a Shop, Select Training Set, Full Barrier Alchemist, The Promised Land, Sticky Notes, Dinosaurs Football, (Challenge) Cubical Virus, Compress the List, Train or Walk, Convolution, Is This a Give Away, Safe Robots, Usain Bolt vs Tiger, Chef Chick, Recruit Villagers, Chef and Street Food, Lasers Everywhere Alternative, XOR Game, Is This JEE, Tax Slabs, Find maximum in an Array, Chef and Dragon Dens, Queries with Bags, Chef vs Doof, Chefina and Strange Tree, Easy Series, Wonder Sum, Chef and IPC Certificates, MaxEdges, Different String, Clear the Array, Cars and Bikes, Optimal Sorting, Romantic Reversals, K-Subarrays
Contests (140):
January Challenge 2019 Division 2:
Yet Another Problem About Sequences, Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, A Pizza Slice
September Challenge 2019 Division 2:
Chef and Good Subsequences, Easy Fibonacci, Chef and Interesting Subsequences
December Challenge 2019 Division 2:
Chefina and Ranges, Plus Multiply, Binary XOR, Easy Subsequence Selection, (Challenge) Cubical Virus, That Is My Score!, Addition
January Challenge 2020 Division 2:
Chef and Dynamo, Doraemon, Doofish Matrix, Equality, Chefina and Prefix Suffix Sums, English, Breaking Bricks, (Challenge) Building Anthills
February Challenge 2020 Division 1:
Chef and Railway Stations, Expected Change, No Change Required, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps
April Challenge 2020 Division 1:
Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
DSA Learning Series - Contest 1:
Factorial, Life, the Universe, and Everything, Coin Flip, Carvans, Lapindromes, Reverse The Number, Smart Phone
June Challenge 2020 Division 1:
Even Matrix, The Tom and Jerry Game!, Guessing Game, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control
July Challenge 2020 Division 1:
Ada King, Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings
August Challenge 2020 Division 1:
Subsequence Frequency Counting, Chefina and Strange Tree, Smallest KMP, Chef and Wedding Arrangements
September Challenge 2020 Division 1:
Chefina and Swap, A Problem on Sticks, Chef and Trump Cards, Find XOR, Move the Coins - Creating Tests, Divide Candies, Ada Matrix
October Challenge 2020 Division 1:
Inversions, Positive AND, Rooted Minimum Spanning Tree, Replace for X, D-Dimensional MST, Compress all Subsegments, Adding Squares, Covid Run, Chef and Easy Queries
December Challenge 2020 Division 1:
Hail XOR, Square Root of LCA Convolution, Calculus, Permutations, String Operations, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
February Challenge 2021 Division 1:
Team Name, Another Tree with Number Theory, Chef and Meetings, Prime Game, Multiple Games, XOR Sums, Maximise Function, Highest Divisor
September Long 2022 Division 1 (Unrated):
Speed Limit Test, Bob at the Bank, Chef and Wire Frames, Distinct Numbers, Pokemon Battles, Interesting Subarray, Good Pairs
Learning Paths (0):
None
Practice Paths (15):
Contributions
Problems Authored (0)
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